Home / 3,123.43-4,685.71-1,043.23

Finding the Fourth Proportional to 3,123.43, 4,685.71 and 1,043.23

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Solution

The fourth proportional to 3,123.43, 4,685.71 and 1,043.23 is: 1,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.43 : 4,685.71 = 1,043.23 : x
  2. Step 2: Convert to fraction form
    3,123.43/4,685.71 = 1,043.23/x
  3. Step 3: Cross multiply
    3,123.43x = 4,685.71 × 1,043.23
  4. Step 4: Simplify right side
    3,123.43x = 4,888,273.24
  5. Step 5: Solve for x
    x = 4,888,273.24/3,123.43
  6. Step 6: Final answer
    x = 1,565.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.